CVE-2021-1287: Cisco Small Business RV132W and RV134W Routers Management Interface Remote Command Execution and Denial of Service Vulnerability
First published: Thu Mar 18 2021(Updated: )
A vulnerability in the web-based management interface of Cisco RV132W ADSL2+ Wireless-N VPN Routers and Cisco RV134W VDSL2 Wireless-AC VPN Routers could allow an authenticated, remote attacker to execute arbitrary code on an affected device or cause the device to restart unexpectedly. The vulnerability exists because the web-based management interface does not properly validate user-supplied input. An attacker could exploit this vulnerability by sending crafted HTTP requests to an affected device. A successful exploit could allow the attacker to execute arbitrary code as the root user on the underlying operating system or cause the device to reload, resulting in a denial of service (DoS) condition on the affected device.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Rv132w Firmware | <1.0.1.15 | |
| Cisco RV132W | ||
| Cisco Rv134w Firmware | <1.0.1.21 | |
| Cisco RV134W |
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Reference Links
Frequently Asked Questions
What is CVE-2021-1287?
CVE-2021-1287 is a vulnerability in the web-based management interface of Cisco RV132W ADSL2+ Wireless-N VPN Routers and Cisco RV134W VDSL2 Wireless-AC VPN Routers, allowing an authenticated attacker to execute arbitrary code or cause the device to restart unexpectedly.
How does CVE-2021-1287 affect Cisco RV132W ADSL2+ Wireless-N VPN Routers?
CVE-2021-1287 affects Cisco RV132W ADSL2+ Wireless-N VPN Routers with firmware version up to 1.0.1.15, allowing an authenticated attacker to execute arbitrary code or cause the device to restart unexpectedly.
How does CVE-2021-1287 affect Cisco RV134W VDSL2 Wireless-AC VPN Routers?
CVE-2021-1287 affects Cisco RV134W VDSL2 Wireless-AC VPN Routers with firmware version up to 1.0.1.21, allowing an authenticated attacker to execute arbitrary code or cause the device to restart unexpectedly.
What is the severity of CVE-2021-1287?
CVE-2021-1287 has a severity rating of 7.2 (Critical).
How can I fix CVE-2021-1287?
To fix CVE-2021-1287, it is recommended to update the firmware of the affected Cisco RV132W and RV134W routers to the latest version provided by Cisco.
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